Osmosis

Question 1

Osmosis is a type of [ ]

Answer 1

Diffusion

Question 2

What is the definition of osmosis?

Answer 2

The movement of water molecules across a partially permeable membrane from a region of high water concentration to a region of low water concentration.

Question 3

What is a partially permeable membrane?

Answer 3

A membrane with very small holes in it therefore only allowing tiny molecules like water through.

Question 4

Water molecules pass one/both way(s) through a membrane during osmosis. Why?

Answer 4

BOTH

Water molecules move randomly all the time

Question 5

Why is there a net flow of water molecules one way through the membrane?

Answer 5

There are MORE water molecules on one side therefore there is a steady net flow of water into the region with fewer water molecules.

Question 6

What is the term for a solution gaining more water?

Answer 6

It is becoming more dilute

Question 7

Does osmosis require energy?

Answer 7

No

Question 8

Water moves in and out of C…… by osmosis

Answer 8

Cells

Question 9

What is tissue fluid made of? And where does it come from, what is its job?

Answer 9

Water with oxygen, glucose and other stuff dissolved in it. It is squeezed out of the blood capillaries to supply the cells with everything they need.

Question 10

The tissue fluid had the same/different concentration to the fluid inside a cell.

Answer 10

usually different which allow osmosis to move water in and out the cell